MS-900 Study Guide 2026
Everything you need to pass the MS-900 exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
MS-900 exam key facts
- Most Microsoft Certification exams typically contain between 40 and 60 questions. Source
- Candidates have 45 minutes to complete the MS-900 Microsoft 365 Fundamentals assessment. Source
- Microsoft technical certification exams require a passing score of 700 or greater on a 1 to 1,000 scale. Source
- Candidates who fail a Microsoft fundamentals certification exam must wait 24 hours before their first retake and 14 days between subsequent attempts, up to a maximum of 5 attempts per year. Source
- Microsoft fundamentals certifications do not expire and remain permanently on the candidate's transcript. Source
📋 MS-900 Exam Format at a Glance
📚 MS-900 Topics to Study (57)
✍️ Sample MS-900 Questions & Answers
1. Which Microsoft 365 service is used to create internal company social networks and communities for open communication?
Yammer is Microsoft's enterprise social networking service that enables company-wide open conversations and communities.
2. Which Microsoft 365 subscription model allows businesses to pay monthly per user without a long-term commitment?
The Microsoft Customer Agreement with a monthly subscription term allows organizations to pay per user per month with flexibility to scale without annual commitment.
3. Which tool in Microsoft 365 allows real-time collaboration on documents, spreadsheets, and presentations?
Excel Online, part of the Microsoft 365 suite, enables real-time collaboration on spreadsheets directly within a web browser. Multiple users can simultaneously view and edit the same Excel workbook, seeing changes as they happen, which significantly enhances team productivity and data sharing.
4. Microsoft's commitment to being open with customers about its operational policies, such as where their data is stored and who can access it, is a core component of which trust principle?
Transparency is the principle of being clear and open about policies and practices. Microsoft demonstrates this by providing information on how it handles customer data, publishing audit reports, and being clear about data location and access policies, which builds trust with customers.
5. What distinguishes Windows 365 from Azure Virtual Desktop (AVD)?
Windows 365 provides a simplified, per-user dedicated Cloud PC with a fixed monthly cost, while Azure Virtual Desktop requires more complex Azure infrastructure setup and management.
6. Which app is designed for team collaboration and communication?
Microsoft Teams is specifically engineered as a central hub for team collaboration and communication within Microsoft 365. It integrates chat, video conferencing, file sharing, and application integration into a single platform. This allows teams to communicate effectively, share information, and work together on projects in a unified environment.
🎯 Free MS-900 Practice Tests
📖 MS-900 Guides & Articles
- MS-900 Exam Eligibility, Retirement Status & What You Need to Know in 2026
- MS-900: Microsoft 365 Fundamentals Complete Certification Guide
- MS-900 Study Guide: Microsoft 365 Fundamentals Prep
- Microsoft 365 Fundamentals Course & MS-900 Training Guide
- MS-900 Exam Prep: Study Guide for Microsoft 365 Fundamentals
- Microsoft 365 Certified Fundamentals (MS-900) Guide
- MS-900 Microsoft 365 Fundamentals Practice Test PDF (Free Printable 2026)
- MS-900 Practice Tests: Microsoft 365 Fundamentals Exam Guide
What Practice Test Geeks adds beyond an AI chat for MS-900
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length MS-900 mock exam — 40 questions in 45 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed MS-900 question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable MS-900 cheat sheet you can print or save as a PDF.
- MS-900 flashcards built from the same question bank.
- Free MS-900 practice tests with the correct answer shown after each question.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- learn.microsoft.com — Exam format, eligibility, time limit, renewal, score validity, retake policy, passing score, score release · verified Oct 2026
- home.pearsonvue.com — Test delivery · verified Oct 2026